| Acronym | Definition |
|---|
| LU | Luxembourg |
| LU | Love You |
| LU | Liberty University (Lynchburg, VA, USA) |
| LU | Land Use (various organizations) |
| LU | Lund University (Sweden) |
| LU | Lincoln University (New Zealand) |
| LU | London Underground |
| LU | Lancaster University (UK) |
| LU | Luzern (Lucerne; Swiss Canton) |
| LU | La Union |
| LU | Logical Unit |
| LU | Lamar University (Beaumont, TX) |
| LU | Luton (postcode, United Kingdom) |
| LU | Lucent Technologies (stock symbol) |
| LU | Lawrence University (Appleton, WI, USA) |
| LU | Lehigh University (Bethlehem, PA) |
| LU | Lutetium |
| LU | Lieferumfang (German: scope of delivery) |
| LU | Level-Up (gaming) |
| LU | Loughborough University (UK) |
| LU | Laurentian University (Sudbury, Ontario, Canada) |
| LU | Lars Ulrich (drummer for band Metallica) |
| LU | Lindenwood University (St. Charles, Missouri) |
| LU | Lower Upper |
| LU | Lakehead University (Ontario, Canada) |
| LU | Lego Universe (video game) |
| LU | Lucca, Toscana (Italian province) |
| LU | Learning Unit |
| LU | Lingnan University (Hong Kong) |
| LU | Lynn University (Boca Raton, Fl) |
| LU | Location Update (GSM) |
| LU | Longwood University (Farmville, VA) |
| LU | Lost Universe (anime) |
| LU | Line Unit |
| LU | LeTourneau University (Longview, Texas) |
| LU | Lambuth University (Jackson, Tennessee) |
| LU | Lebanese University |
| LU | Library Unit |
| LU | Livestock Unit |
| LU | Lacrosse Unlimited |
| LU | Lefevre Utile (French: Bakery) |
| LU | Latvian University |
| LU | Loader/Unloader |
| LU | Least Utilization |
| LU | Local Envelopes (Scott Catalogue prefix; philately) |
| LU | Leeds United (football club; UK) |